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3 years ago

Any one please help this is like the last one I posted

Mathematics

2 answers:

ella [17]3 years ago

7 0

So I know from repeating this over and over that 0.3 repeating is 1/3, so I can assume that the answer is B, but another way to solve is to divide each numerator in each answer choice by the denominator. For example, 1 divided by 3 is 0.3 repeating. 2 divided by 3 is 0.6 repeating, and so on. Dividing this way puts it's fraction into decimal form. Since 2 divided by 3 is 0.6 repeating, B is the answer.

ella [17]3 years ago

5 0

the answer is b 2/3 :)

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EXPAND THE POLONOMIAL (5a+1/2b)^2 HELPPP ASAP

stepan [7]

Answer:

25 $a^{2}$ +5ab+ $\frac{b^{2} }{4}$

Step-by-step explanation:

$(5a+\frac{1}{2} b)^{2}$

1. First, write out the expression without the square

$(5a+\frac{1}{2} b)(5a+\frac{1}{2} b)$

2. Then use foil to multiply:

5a*5a+5a* $\frac{1}{2}b$ + $\frac{1}{2}b$ *5a+ $\frac{1}{2}b$ * $\frac{1}{2}b$

=25 $a^{2}$ +5ab+ $\frac{b^{2} }{4}$

3. That is your answer.

8 0

2 years ago

The legend on a map states that 1 cm is 25 km. If you measure 8 cm on the map, how many kilometers would the actual distance be?

Dmitry [639]

Answer:

200km

Step-by-step explanation:

Given

1cm = 25 km 8cm =?

Solve

if 1cm = 25,

then multiply 8 cm by 25.

Which is 200 km

7 0

3 years ago

ACD = 30, Line segment AC = x + 1, Line segment CD = 2x + 2. What is x equal to? x =

Anon25 [30]

Answer:

AC+ CD = ACD

X+1 + 2X + 2 = 30

3X+3 =30

3X=30–3

3X=27

X= 27/ 3

X= 9

I'm not sure of the solution, but I solved it according to a straight line (Line segment) .

I hope I helped you^_^

4 0

2 years ago

8, 12, 16, ... Find the 49th term

Ivanshal [37]

Answer:

200

Step-by-step explanation:

the above is an arithmetic progressions

number of terms of an AP = a+( n -1 )d

a= first term= 8

d= common difference= 12-8= 4

49th term:

= 8+(49-1)4

= 8+(48)4

= 8+192= 200

therefore, the 49th term is 200

5 0

1 year ago

Solve for x. х° 28° 153°

Allushta [10]

180 - 153 = 27

27 + 28 = 55

x= 180 - 55 = 125

x= 125

4 0

2 years ago